US Bridges

SR1172 over S Prong Lewis Fork Creek

Fair

Wilkes County, North Carolina · 50 FT.W.JCT.US421 · Structure no. 000000001930635

Built
1980
45 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
56 ft
4 main spans
Daily traffic
10
2024 count
Owner
State
State Highway Agency

About this bridge

SR1172 over S Prong Lewis Fork Creek is a concrete continuous culvert carrying SR1172 over S Prong Lewis Fork Creek in Wilkes County, North Carolina. It was built in 1980, so it is 45 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10 vehicles a day, projected to reach 20 by 2040. The structure is 56 ft (17 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1172
CrossesS Prong Lewis Fork Creek
Location50 FT.W.JCT.US421
RouteState Highway 1172
Coordinates36.18164, -81.39816
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length56 ft (17 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic20 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1172 over S Prong Lewis Fork Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR1172 over S Prong Lewis Fork Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does SR1172 over S Prong Lewis Fork Creek carry?

About 10 vehicles per day (2024 count).

How long is SR1172 over S Prong Lewis Fork Creek?

The structure is 56 ft (17 m) long with a longest span of 13 ft (3.9 m).

Who owns SR1172 over S Prong Lewis Fork Creek?

It is owned by the State Highway Agency.